Home / 1,147,090.70-1,719,630-436,646.18

Finding the Fourth Proportional to 1,147,090.70, 1,719,630 and 436,646.18

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Solution

The fourth proportional to 1,147,090.70, 1,719,630 and 436,646.18 is: 654,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,090.70 : 1,719,630 = 436,646.18 : x
  2. Step 2: Convert to fraction form
    1,147,090.70/1,719,630 = 436,646.18/x
  3. Step 3: Cross multiply
    1,147,090.70x = 1,719,630 × 436,646.18
  4. Step 4: Simplify right side
    1,147,090.70x = 750,869,870,513.40
  5. Step 5: Solve for x
    x = 750,869,870,513.40/1,147,090.70
  6. Step 6: Final answer
    x = 654,586.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.